/* eslint-disable vue/no-unused-vars */
<template>
  <div>
    <Breadcrumb></Breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请用户名称" v-model="queryInfo.query" clearable @clear="getUserList" @keyup.enter.native="getUserList" size="small">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true" size="small">添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="userList" border stripe size="small">
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <!-- 使用作用域插槽 -->
        <el-table-column label="状态" prop="mg_state">
          <template slot-scope="scope">
            <!-- v-model绑定scope.row.mg_state,实现双向数据绑定 -->
            <el-switch v-model="scope.row.mg_state" active-color="#13ce66" inactive-color="#ff4949" @change="userStateChanged(scope.row)"> </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" fixed="right" width="200px" align="center">
          <template slot-scope="scope">
            <!-- 修改按钮 -->
            <el-button type="text" icon="el-icon-edit" size="small" @click="showEditDialog(scope.row.id)">编辑</el-button>
            <!-- 删除按钮 -->
            <el-button type="text" icon="el-icon-delete" size="small" @click="removeUserById(scope.row.id)">删除</el-button>
            <!-- 分配按钮 -->
            <el-tooltip effect="dark" content="分配权限" placement="top" :enterable="false">
              <el-button type="text" icon="el-icon-setting" size="small" @click="setRole(scope.row)">分配</el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!-- ******************************************************************************************************************  
                                                            Dialog 弹框
     **********************************************************************************************************************  -->
    <!-- Dialog 添加用户的对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
      <!-- Main 内容主题区域 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input type="password" v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
      </el-form>
      <!-- Footer 底部按钮区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <!-- Dialog 编辑用户的对话框 -->
    <el-dialog title="编辑用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
      <!-- Main 内容主题区域 -->
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
      </el-form>
      <!-- Footer 底部按钮区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>

    <!-- Dialog 分配权限的对话框 -->
    <el-dialog title="分配权限" :visible.sync="assignRightDialogVisible" width="50%" @close="setRoleDialogClosed">
      <!-- Main 内容主题区域 -->
      <!-- <el-form :model="rightsForm" ref=""></el-form> -->
      <div>
        <p>当前的用户：{{ userInfo.username }}</p>
        <p>当前的角色：{{ userInfo.role_name }}</p>
        <p>
          分配新角色：
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id"> </el-option>
          </el-select>
        </p>
      </div>
      <!-- Footer 底部按钮区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="assignRightDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import Breadcrumb from '@/components/Breadcrumb'
export default {
  name: 'Users',
  components: {
    Breadcrumb
  },
  data() {
    // 自定义校验规则，邮箱和手机号
    var checkEmail = (rule, value, callback) => {
      // 通过正则表达式验证邮箱
      const regEmail = /^\w+@\w+(\.\w+)+$/
      if (regEmail.test(value)) {
        // 合法邮箱
        return callback()
      }
      //返回一个错误提示
      callback(new Error('请输入合法的邮箱'))
    }
    var checkMobile = (rule, value, callback) => {
      const regEmail = /^1[34578]\d{9}$/
      if (regEmail.test(value)) {
        // 合法邮箱
        return callback()
      }
      //返回一个错误提示
      callback(new Error('请输入合法的手机号'))
    }
    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: '', // 查询用户的名称
        pagenum: 1, // 当前页数
        pagesize: 10 // 当前每一页显示多少条数据
      },
      userList: [],
      total: 0,
      addDialogVisible: false,
      editDialogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        mobile: '',
        email: ''
      },
      // 添加表单验证规则对象
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 5, max: 20, message: '请用户名的长度在5~20字符之间', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 15, message: '密码长度在不小于15位', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, message: '邮箱格式不正确，请重新输入', trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机', trigger: 'blur' },
          { validator: checkMobile, message: '手机号码不正确，请重新输入', trigger: 'blur' }
        ]
      },
      // 数据绑定对象，查询到的用户信息对象
      editForm: {},
      // 数据绑定对象，验证规则
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, message: '邮箱格式不正确，请重新输入', trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机', trigger: 'blur' },
          { validator: checkMobile, message: '手机号码不正确，请重新输入', trigger: 'blur' }
        ]
      },
      assignRightDialogVisible: false,
      // 分配角色的用户信息
      userInfo: {},
      // 角色列表
      rolesList: [],
      // 选中的角色id值
      selectedRoleId: ''
    }
  },
  created() {
    // 发起当前用户数据的request
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })
      // console.log(res)
      if (res.meta.status !== 200) return this.$message.error('获取用户列表失败')
      this.userList = res.data.users
      this.total = res.data.total
    },
    // 监听 pagesize 改变的事件, 每次改变后要重新请求列表
    handleSizeChange(newSize) {
      // console.log(`每页: ${newSize} 条`)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听 页码值 改变的事件, 每次改变后要重新请求列表
    handleCurrentChange(newPage) {
      // console.log(`当前页: ${newPage}`)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听 switch 状态发生变化时的回调函数
    async userStateChanged(userInfo) {
      // console.log(userInfo)
      // 保存用户最新状态，调用API，用反引号（模板字符串），可以拼接动态参数
      const { data: res } = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
      if (res.meta.status !== 200) {
        // 操作失败，状态取反，保证状态没有变化
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('更新用户状态失败！')
      }
      this.$message.success('更新用户状态成功！')
    },
    // 监听用户对话框关闭的函数
    addDialogClosed() {
      // 重置表单
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮添加新用户
    addUser() {
      this.$refs.addFormRef.validate(async (valid) => {
        console.log(valid)
        // 1. 表单的验证
        if (!valid) return
        // 发起添加用户的网络请求
        const { data: res } = await this.$http.post('users/', this.addForm)
        if (res.meta.status !== 201) {
          return this.$message.error('添加用户失败')
        }

        this.$message.success('添加用户成功')
        this.addDialogVisible = false
        // 刷新用户列表
        this.getUserList()
      })
    },
    async showEditDialog(id) {
      this.editDialogVisible = !this.editDialogVisible
      // 根据用户id查询用户信息
      // console.log(id)
      const { data: res } = await this.$http.get(`users/` + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败')
      }
      this.editForm = res.data
      // console.log('editForm: ', this.editForm)
    },
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
    },
    editUserInfo() {
      this.$refs.editFormRef.validate(async (valid) => {
        console.log(valid)
        if (!valid) return
        const { data: res } = await this.$http.put('users/' + this.editForm.id, {
          email: this.editForm.email,
          mobile: this.editForm.mobile
        })
        if (res.meta.status !== 200) {
          return this.$message.error('更新用户信息失败')
        }

        // 关闭对话框
        this.editDialogVisible = false
        // 刷新列表
        this.getUserList()
        // 提示修改成功
        this.$message.success('更新用户信息成功')
      })
    },
    // 删除用户
    async removeUserById(id) {
      console.log(id)
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch((err) => {
        return err
      })

      if (confirmResult !== 'confirm') {
        return this.$message.info('已经取消删除')
      }

      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败')
      }
      this.$message.success('删除成功')
      // 刷新列表
      this.getUserList()
    },
    // 分配用户权限
    async setRole(userInfo) {
      this.userInfo = userInfo
      // console.log(userInfo)

      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败')
      }
      this.rolesList = res.data
      this.assignRightDialogVisible = !this.assignRightDialogVisible
    },
    // 保存分配的角色
    async saveRoleInfo() {
      // 1.先判断用户是否选择了新的角色
      if (!this.selectedRoleId) {
        return this.$message.error('请选择分配角色')
      }
      // 2.发起请求，保存
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectedRoleId })
      if (res.meta.status !== 200) {
        return this.$message.error('分配角色列表失败')
      }
      this.$message.success('分配角色成功')
      this.getUserList()
      this.assignRightDialogVisible = !this.assignRightDialogVisible
    },
    setRoleDialogClosed() {
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  }
}
</script>

<style lang="less" scoped></style>
